Home / 3,802.69-5,247.67-2,123.99

Finding the Fourth Proportional to 3,802.69, 5,247.67 and 2,123.99

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Solution

The fourth proportional to 3,802.69, 5,247.67 and 2,123.99 is: 2,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.69 : 5,247.67 = 2,123.99 : x
  2. Step 2: Convert to fraction form
    3,802.69/5,247.67 = 2,123.99/x
  3. Step 3: Cross multiply
    3,802.69x = 5,247.67 × 2,123.99
  4. Step 4: Simplify right side
    3,802.69x = 11,145,998.60
  5. Step 5: Solve for x
    x = 11,145,998.60/3,802.69
  6. Step 6: Final answer
    x = 2,931.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.